Finding the Fourth Proportional to 66,260,688.21, 99,261,731.14 and 51,619,050.79
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Solution
The fourth proportional to 66,260,688.21, 99,261,731.14 and 51,619,050.79 is: 77,327,846.71
Step by Step Solution
- Step 1: Write the proportion equation
66,260,688.21 : 99,261,731.14 = 51,619,050.79 : x - Step 2: Convert to fraction form
66,260,688.21/99,261,731.14 = 51,619,050.79/x - Step 3: Cross multiply
66,260,688.21x = 99,261,731.14 × 51,619,050.79 - Step 4: Simplify right side
66,260,688.21x = 5,123,796,340,841,783 - Step 5: Solve for x
x = 5,123,796,340,841,783/66,260,688.21 - Step 6: Final answer
x = 77,327,846.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.